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更新时间：2024-12-16 21:54:30

unless

基本词汇

英 [ənˈles]

美 [ʌnˈlɛs]

conj.除非；如果不

prep.除 ... 外

日语：ない限り法语：sauf si 德语：es sei denn 韩语：~하지 않는 한 俄语：a menos que

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conj.(连词)

除非
如果不
除非在…情况下
若非
要是不

prep.(介词)

除…外
除非

conj.(连词)

除非,如果不 except, in the case that

1. 除非；若不；除非在…的时候
You use unless to introduce the only circumstances in which an event you are mentioning will not take place or in which a statement you are making is not true.

e.g. Unless you are trying to lose weight to please yourself, it's going to be tough to keep your motivation level high...
除非减肥是为了悦已，否则很难保持积极性。
e.g. We cannot understand disease unless we understand the person who has the disease...
若不了解患者我们就不能了解疾病。

Do not confuse unless, except, except for, and besides. Unless is used to introduce the only situation in which something will take place or be true. In the 1940s, unless she wore gloves a woman was not properly dressed... You must not give compliments unless you mean them. You cannot use unless to talk about a situation that results from something not happening. Instead you use if...not. I'll be glad if she doesn't come. You use except to introduce the only things, situations, people, or ideas that a statement does not apply to. All of his body relaxed except his right hand... Travelling was impossible, except in the cool of the morning. You use except for before something that prevents a statement from completely true. The classrooms were silent, except for the scratching of pens on paper... I had absolutely no friends except for Tom. You use besides to introduce extra things in addition to the ones you are mentioning already. Fruit will give you, besides enjoyment, a source of vitamins. However, note that if you talk about 'the only thing' or 'the only person besides' a particular person or thing, besides means the same as 'apart from'. He was the only person besides Gertrude who talked to Guy.
不要混淆 unless，except，except for 和 besides。unless用于引出某事发生或成立所必需的条件，如：In the 1940s, unless she wore gloves a woman was not properly dressed（在20世纪40年代，女性若不戴手套就算衣着不得体），You must not give compliments unless you mean them（除非出自真心，否则不要随便恭维）。谈论由于某事未发生而导致的情形不能用unless，要用 if...not，如：I'll be glad if she doesn't come（如果她不来我会很高兴的）。except 用于引出陈述中唯一不适用的事物、情形、人或想法，如：All of his body relaxed except his right hand（除了右手以外，他全身都放松了），Travelling was impossible, except in the cool of the morning （除了在凉爽的早晨，其他时候出行都是不可能的）。except for用于引出使其陈述不能完全成立的事物，如：The classrooms were silent, except for the scratching of pens on paper（除了笔在纸上发出的沙沙声，教室一片寂静），I had absolutely no friends except for Tom（除了汤姆，我一个朋友也没有）。besides用于引出已提到事物之外的其他事物，如：Fruit will give you, besides enjoyment, a source of vitamins（水果不但好吃，而且富含维生素）。但应注意，用于谈论除某人或某物之外唯一的人或物时，besides的意思与apart from相同，如：He was the only person besides Gertrude who talked to Guy（除格特鲁德之外，他是唯一跟盖伊说话的人）。

1. 除非,如果不：VB: Visual Basic,编程语言 | unless: 除非,如果不 | resulting: 结果的

2. 如果不,除非：▲university 大学 | unless 如果不,除非 | unlike 不像,和. . . 不同

3. 如果不：rock=岩石; | unless=如果不; | point out=指出;

情景对话
相关词组
常用例句
经典引文

Heating & Air-Conditioning-(暖气和空调)

A：Wow, you keep this place cold.
哇，你这个地方真够凉快的。

unless的翻译

B：Yep. It’s cold in the summer, hot in the winter.
是。冬暖夏凉。

A：Your electricity bills must be enomp3ous.
你的电费可不得了吧。

B：Yeah, well, it’s a small price to pay to be comfortable, in my mind.
是呀，可是，我觉得要住得舒适这点钱不算什么。

unless在线翻译

A：It is nice to come in here after a run.
跑步完进来这里真不赖。

B：Yeah. The central heating and air-conditioning works like a champ3.
是呀，中央冷暖系统简直妙不可言。

A：I usually don’t use it unless it gets really hot. I just open up some windows, and I’m fine.
除了真的非常热我是不会用（空调）的。就把窗户打开，这样就很好了。

B：My friend’s family did the same thing. I could never get used to it, though.
我朋友家里也是这样。可是我可不习惯。

Learning English-(学英语)

A：Ralph, do me a favor, will you?
拉尔夫，帮我一个忙，好吗？

B：That all depends on what it is.
这要看帮什么忙。

A：This is the proble, I'm still having trouble with my English.The instructor suggests that I ask an American to help me by telling me how he says the things I say which just aren't English.I wanted you to be the American.
我有个困难。我的英语仍然遇到麻烦。老师建议我请一位美国人帮助，要他告诉我，我说的那些根本不像英语的话应当怎样说。我想要你做这个美国人。

B：What good'll it do?You never speak English unless you absolutely have to.I'll help you if you promise to speak noting but English all the time.
这有什么用？你除了非说不可的时候，你从来不说英语。好吧！我跟你达成一个协议：如果你保证在任何时候除了英语外什么也不说，我就帮助你。

A：All right. Maybe I'll do that.It's the only way I'll be able to learn English fast enough, I guess.
好吧，也许我能办得到。我想这是我能迅速学会英语的唯一方法。

烹饪

A：What are you cooking?
你正在做什么？

unless的翻译

B：I’m making pizza.
我在做匹萨。

A：Yummy! Do you have all the ingredients you need?
真香啊！需要的全部调料你都有么？

B：I’ve got everything, unless you want salami on your pizza.
都准备好了，除非你要吃带意大利香肠的匹萨。

A：That would be good. I can run to the store and buy some. What other ingredients are you going to put on the pizza?
那太好了，我可以去商店买一些，你还需要其它调料么？

B：Pizza sauce and cheese, of course. And then mushrooms, green peppers, onions, olives, and bacon.
当然还有匹萨沙司和乳酪，蘑菇，青椒，洋葱，橄榄核烤肉。

A：Did you make the pizza crust or buy it from a store?
你是自己做匹萨卷还是从商店买？

B：I made it from scratch.
我自己做。

A：Was it difficult?
难么？

B：No, I just had to mix some flour, water, and a little yeast. It’s almost ready to come out of the oven.
不难，只不过把面粉、水和一些发酵粉。差不多要准备出炉了。

A：Do I have time to get the salami?
来得及去买意大利香肠么？

B：Yes, but be quick. I’ve just got to wash the vegetables and cut them into little pieces. And then we can add the tomato sauce and the toppings.
是，但要快，我正好洗了蔬菜并切碎，然后我们可以加点番茄沙司和装饰配料。

1. unless and until : 直到...才；

用作连词(conj.)

You will fail unless you work hard.
如果你不努力工作,就会失败。
Unless he has any objections,we will carry out the plan.
除非他反对,否则我们就执行这项计划。
Let's have dinner out—unless you are too tired.
咱们出去吃饭吧——除非你太累了。
Substances have no tendency to expand unless (they are) heated.
除非受热,物质不会有膨胀的倾向。
I won't write unless he writes first.
除非他先写信,否则我就不写。
I will be very angry unless you have already spoken to her.
除非你已经对她说过了,否则我会很生气。
Don't ask me to explain unless you really don't understand.
不要叫我解释,除非你真的不懂。
Unless paying by credit card, please pay in cash.
如果不用信用卡付账,就请付现金。

Unless the Swedish part..the Laplanders can be said to be under no regular government.
出自：J. Morse

词语用法
词义讲解
词源解说

conj.(连词)

unless所引导的条件状语从句常用一般现在时表示将来意义,主句多用一般将来时。unless在表示“除非”时,如其引导的从句谓语是be,而从句的主语跟主句的主语相同时,从句的主语和be就可省略。有时从句中主语为it时,也可省略it或从句中的有关成分。
在unless引导的肯定形式的条件从句中通常用肯定词,如:already, still, some, too。在unless引导的否定形式的条件从句中通常用否定词。
unless表示条件时后可接现在分词短语。

conj.(连词)

unless, if...not...: 二者均可表示“如果不…”。unless不可引导虚拟语气从句; if...not...可用于虚拟语气结构。

☆ 直接源自中古英语的on lesse，意为在极少情况下。

中考真题例句
高考真题例句
考研真题例句

中考真题例句 OG 1.unless

Don't start the project unless everything is ready.

除非一切准备就绪，否则不要开始这个项目。

2020苏州市卷

中考真题例句 OG 2.unless

Nobody can hear you unless you speak in a louder voice.

除非你大声说话，否则没人能听到你。

2020重庆市A卷

中考真题例句 OG 3.unless

Unless you work hard, you will not succeed.

除非你努力，否则你不会成功。

2020广州市卷

高考真题例句 OG 1.unless

Macy walks there with him every morning unless the weather is bad.

除非天气不好, 梅西每天早上都和他步行去那里。

2018全国卷

考研真题例句 OG 1.unless

Unless a broad consensus can be reached on reforming the international tax system, other nations are likely to follow suit.

除非就改革国际税收体系达成广泛共识，否则其他国家很可能会效仿。

2020英语一

考研真题例句 OG 2.unless

The US Supreme Court frowns on sex-based classifications unless they are designed to address an "important" policy interest.

美国最高法院不赞成基于性别的分类，除非它们旨在解决“重要”的政策利益。

2020英语一

考研真题例句 OG 3.unless

Merely helping a gift-giver gain access to other officials, unless done with clear intent to pressure those officials, is not corruption.

除非是为了向这些官员施压，仅仅是帮助送礼者接近其他官员，这不是腐败。

2017英语一

近义词
临近词

save救
if not不然的话
worthless无价值的
but但是
lest惟恐
if是否
without没有
except除了 ... 之外...